450650440 has 32 divisors (see below), whose sum is σ = 1020692160. Its totient is φ = 179064000.

The previous prime is 450650413. The next prime is 450650443. The reversal of 450650440 is 44056054.

It is a super-3 number, since 3×450650440³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 450650399 and 450650408.

It is not an unprimeable number, because it can be changed into a prime (450650443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31266 + ... + 43345.

It is an arithmetic number, because the mean of its divisors is an integer number (31896630).

Almost surely, 2^450650440 is an apocalyptic number.

450650440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450650440 is an abundant number, since it is smaller than the sum of its proper divisors (570041720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

450650440 is a wasteful number, since it uses less digits than its factorization.

450650440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74773 (or 74769 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 450650440 is about 21228.5289174733. The cubic root of 450650440 is about 766.6784682073.

It can be divided in two parts, 4506 and 50440, that added together give a triangular number (54946 = T₃₃₁).

The spelling of 450650440 in words is "four hundred fifty million, six hundred fifty thousand, four hundred forty".